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SR 477-pa 477 over Long Run

Clinton County, Pennsylvania · rated Fair in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

SR 477-pa 477 over Long Run in Clinton County, Pennsylvania, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1937 and reconstructed in 1960, making it 88 years old at the 2025 inventory.
It carries about 2,519 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 119 of the 212 inventoried bridges in Clinton County rated fair (56.1%); 4 (1.9%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 40 ft
Location	Rote
NBI structure number	000000000012244
Condition class	Fair

Source: FHWA National Bridge Inventory, 2025 data as reported by the Pennsylvania department of transportation.

Bridge	Built	Vehicles/day	Condition
SR 150-pa 150 over Bald Eagle Creek	1933	14,443	Fair
SR 150-pa 150 over Penna Canal	1934	14,443	Fair
SR 80-i 80 over T-339	1969	12,974	Good
SR 80-i 80 over T-339	1969	12,704	Good
SR 80-i 80 over Tsr 342 & Fishing Creek	1969	11,293	Fair
SR 80-i 80 over Twp Rd 354	1969	11,293	Good